CN109352198A - A kind of welding method of pipe die - Google Patents
A kind of welding method of pipe die Download PDFInfo
- Publication number
- CN109352198A CN109352198A CN201811404938.4A CN201811404938A CN109352198A CN 109352198 A CN109352198 A CN 109352198A CN 201811404938 A CN201811404938 A CN 201811404938A CN 109352198 A CN109352198 A CN 109352198A
- Authority
- CN
- China
- Prior art keywords
- pipe die
- welding
- welding method
- welded
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of welding methods of pipe die, comprising: step 1, carries out derusting operation to pipe die to be welded, the port of pipe die is polished metallic luster；Step 2, cleaning operation is carried out to the pipe die after derusting；Step 3, the pipe die after cleaning is dried；Step 4, pipe die to be welded is preheated；Step 5, two pipe die seam crossings to be welded are subjected to using welding gun and using R307 welding rod.The welding method of the pipe die overcomes the problems, such as that welding procedure in the prior art is easy to appear pipe die cracking.
Description
Technical field
The present invention relates to welding fields, and in particular, to a kind of welding method of pipe die.
Background technique
The pipe die that present hot-die uses be it is split type, bellmouth head is connected with pipe die body by flange bolt fastening.?
In use process, since pipe die high speed rotation generates huge vibration, causes pipe die bolt to be broken frequent occurrence, production is caused
It seriously affects.
Hot-die pipe die figure is huge, if made of the method for monoblock cast, cost is huge, can not carry out.Using welding
It is a more feasible method.And since pipe die material is more special, it welds and is easy cracking.
Therefore it provides a kind of facilitate operation in use, and weld strength is high, at low cost, the small pipe of thermal stress
The problem of welding method of mould is urgent need to resolve of the present invention.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is overcome welding procedure in the prior art to be easy to appear pipe die to open
The problem of splitting, thus provide it is a kind of facilitate operation in use, and weld strength is high, at low cost, the small pipe of thermal stress
The welding method of mould.
The object of the present invention is to provide a kind of welding method of pipe die, the welding method of the pipe die is easy to operate, is easy to slap
It holds, is at low cost, the pipe die intensity after welding is high, thermal stress is small.
To achieve the goals above, the present invention provides a kind of welding method of pipe die, the welding method packets of the pipe die
It includes:
Step 1, derusting operation is carried out to pipe die to be welded, the port of pipe die is polished into metallic luster；
Step 2, cleaning operation is carried out to the pipe die after derusting；
Step 3, the pipe die after cleaning is dried；
Step 4, pipe die to be welded is preheated；
Step 5, two pipe die seam crossings to be welded are subjected to using welding gun and using R307 welding rod.
Preferably, the welding in the step 5, which operates, includes:
Step 5.1, bottom welding；
Step 5.2, layering welding.
Preferably, the drying temperature in the step 1 is 300-400 DEG C.
Preferably, the drying temperature in the step 1 is 360 DEG C.
Preferably, the drying time in the step 1 is 1.5h.
Preferably, the preheating temperature in the step 4 is 140-190 DEG C.
Preferably, the preheating temperature in the step 4 is 150 DEG C.
Preferably, welding current is 150-180A, voltage 20-25V in the step 5.
Preferably, speed of welding is 130-160mm/min in the step 5.
Preferably, the angle formed between the tip of welding gun and the welding surface of pipe die in the step 5 is 45 ° -80 °.
According to the above technical scheme, the present invention first derusts pipe die to be welded and cleaning operation, removes on pipe die
Spot, prevent influence welding effect, then dried, drying temperature be 360 DEG C, drying time 1.5h.It again will drying
Pipe die to be welded preheating afterwards, temperature ensure at 140-190 DEG C.Finally, being welded using with the close R307 of pipe die ingredient to be welded
Item is treated the welding pipe die place of contacting with each other and is subjected to, and wherein the welding current 150-180A of welding gun, voltage are adjusted to 20-
25V, also, manually control speed of welding and be maintained at 130-160mm/min.And in entire welding process, it requires to guarantee to be welded
The temperature of adapter tube mould is maintained at 140-190 DEG C, so that weld strength is high, thermal stress is small.The welding of pipe die provided by the invention
Method overcomes the problems, such as that welding procedure in the prior art is easy to appear pipe die cracking.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of welding method of pipe die, the welding method of the pipe die includes:
Step 1, derusting operation is carried out to pipe die to be welded, the port of pipe die is polished into metallic luster；
Step 2, cleaning operation is carried out to the pipe die after derusting；
Step 3, the pipe die after cleaning is dried；
Step 4, pipe die to be welded is preheated；
Step 5, two pipe die seam crossings to be welded are subjected to using welding gun and using R307 welding rod.
According to the above technical scheme, the present invention first derusts pipe die to be welded and cleaning operation, removes on pipe die
Spot, prevent influence welding effect, then dried, drying temperature be 360 DEG C, drying time 1.5h.It again will drying
Pipe die to be welded preheating afterwards, temperature ensure at 140-190 DEG C.Finally, being welded using with the close R307 of pipe die ingredient to be welded
Item is treated the welding pipe die place of contacting with each other and is subjected to, and wherein the welding current 150-180A of welding gun, voltage are adjusted to 20-
25V, also, manually control speed of welding and be maintained at 130-160mm/min.And in entire welding process, it requires to guarantee to be welded
The temperature of adapter tube mould is maintained at 140-190 DEG C, so that weld strength is high, thermal stress is small.The welding of pipe die provided by the invention
Method overcomes the problems, such as that welding procedure in the prior art is easy to appear pipe die cracking.
In a preferred embodiment of the invention, it in order to enable welding position is more firm, is not susceptible to break
Problem is split, the welding operation in the step 5 includes:
Step 5.1, bottom welding；
Step 5.2, layering welding.
In a preferred embodiment of the invention, the drying temperature in the step 1 is 300-400 DEG C.
In a preferred embodiment of the invention, the drying temperature in the step 1 is 360 DEG C.
In a preferred embodiment of the invention, the drying time in the step 1 is 1.5h.
In a preferred embodiment of the invention, the preheating temperature in the step 4 is 140-190 DEG C.
In a preferred embodiment of the invention, the preheating temperature in the step 4 is 150 DEG C.
In a preferred embodiment of the invention, welding current is 150-180A in the step 5, and voltage is
20-25V。
In a preferred embodiment of the invention, speed of welding is 130-160mm/min in the step 5.
In a preferred embodiment of the invention, in the step 5 welding surface of the tip of welding gun and pipe die it
Between the angle that is formed be 45 ° -80 °.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of welding method of pipe die, which is characterized in that the welding method of the pipe die includes:
Step 1, derusting operation is carried out to pipe die to be welded, the port of pipe die is polished into metallic luster；
Step 2, cleaning operation is carried out to the pipe die after derusting；
Step 3, the pipe die after cleaning is dried；
Step 4, pipe die to be welded is preheated；
Step 5, two pipe die seam crossings to be welded are subjected to using welding gun and using R307 welding rod.
2. the welding method of pipe die according to claim 1, which is characterized in that the welding in the step 5, which operates, includes:
Step 5.1, bottom welding；
Step 5.2, layering welding.
3. the welding method of pipe die according to claim 1, which is characterized in that the drying temperature in the step 1 is
300-400℃。
4. the welding method of pipe die according to claim 3, which is characterized in that the drying temperature in the step 1 is 360
℃。
5. the welding method of pipe die according to claim 4, which is characterized in that the drying time in the step 1 is
1.5h。
6. the welding method of pipe die according to claim 1, which is characterized in that the preheating temperature in the step 4 is
140-190℃。
7. the welding method of pipe die according to claim 6, which is characterized in that the preheating temperature in the step 4 is 150
℃。
8. the welding method of pipe die according to claim 1, which is characterized in that welding current is 150- in the step 5
180A, voltage 20-25V.
9. the welding method of pipe die according to claim 8, which is characterized in that speed of welding is 130- in the step 5
160mm/min。
10. the welding method of pipe die according to claim 9, which is characterized in that the tip and pipe of welding gun in the step 5
The angle formed between the welding surface of mould is 45 ° -80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404938.4A CN109352198A (en) | 2018-11-23 | 2018-11-23 | A kind of welding method of pipe die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404938.4A CN109352198A (en) | 2018-11-23 | 2018-11-23 | A kind of welding method of pipe die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109352198A true CN109352198A (en) | 2019-02-19 |
Family
ID=65338681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811404938.4A Pending CN109352198A (en) | 2018-11-23 | 2018-11-23 | A kind of welding method of pipe die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890153A (en) * | 2022-12-02 | 2023-04-04 | 山东金诚联创管业股份有限公司 | Manufacturing process of anticorrosive steel pipe |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1527338A (en) * | 1923-10-23 | 1925-02-24 | Clinton E Wilder | Centrifugal pipe mold |
| US3414488A (en) * | 1966-12-13 | 1968-12-03 | Harold E. Willingham | Permanent mold for use in the manufacture of pipe and method of producing such mold |
| EP0156053A1 (en) * | 1984-03-13 | 1985-10-02 | National Forge Company | Pipe moulds |
| JPH11291080A (en) * | 1998-04-15 | 1999-10-26 | Hitoshi Yamazaki | Manufacture of metallic tube having joint part |
| CN1355080A (en) * | 2000-11-30 | 2002-06-26 | 王英杰 | Hidden arc build-up welding method for repairing internal surface of pipe-casting mould |
| CN101791746A (en) * | 2010-03-29 | 2010-08-04 | 中冶实久建设有限公司 | Large high-temperature refractory steel pipeline welding process |
| CN102825402A (en) * | 2012-09-07 | 2012-12-19 | 中原特钢股份有限公司 | Preheating device for progressive welding of large-pipe-diameter casting pipe die |
| CN106735760A (en) * | 2017-01-18 | 2017-05-31 | 安徽马钢工程技术集团有限公司 | A kind of welding procedure of 15CrMo heat-resisting alloy steels |
| CN107931799A (en) * | 2017-11-15 | 2018-04-20 | 芜湖新兴铸管有限责任公司 | Pipe die welding procedure |
| CN108941956A (en) * | 2018-08-01 | 2018-12-07 | 南通大力化工设备有限公司 | A kind of manufacturing process of converter |
-
2018
- 2018-11-23 CN CN201811404938.4A patent/CN109352198A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1527338A (en) * | 1923-10-23 | 1925-02-24 | Clinton E Wilder | Centrifugal pipe mold |
| US3414488A (en) * | 1966-12-13 | 1968-12-03 | Harold E. Willingham | Permanent mold for use in the manufacture of pipe and method of producing such mold |
| EP0156053A1 (en) * | 1984-03-13 | 1985-10-02 | National Forge Company | Pipe moulds |
| JPH11291080A (en) * | 1998-04-15 | 1999-10-26 | Hitoshi Yamazaki | Manufacture of metallic tube having joint part |
| CN1355080A (en) * | 2000-11-30 | 2002-06-26 | 王英杰 | Hidden arc build-up welding method for repairing internal surface of pipe-casting mould |
| CN101791746A (en) * | 2010-03-29 | 2010-08-04 | 中冶实久建设有限公司 | Large high-temperature refractory steel pipeline welding process |
| CN102825402A (en) * | 2012-09-07 | 2012-12-19 | 中原特钢股份有限公司 | Preheating device for progressive welding of large-pipe-diameter casting pipe die |
| CN106735760A (en) * | 2017-01-18 | 2017-05-31 | 安徽马钢工程技术集团有限公司 | A kind of welding procedure of 15CrMo heat-resisting alloy steels |
| CN107931799A (en) * | 2017-11-15 | 2018-04-20 | 芜湖新兴铸管有限责任公司 | Pipe die welding procedure |
| CN108941956A (en) * | 2018-08-01 | 2018-12-07 | 南通大力化工设备有限公司 | A kind of manufacturing process of converter |
Non-Patent Citations (1)
| Title |
|---|
| 张明录，张日恒: "《电焊工实训课题指导》", 31 August 2006, 西北大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115890153A (en) * | 2022-12-02 | 2023-04-04 | 山东金诚联创管业股份有限公司 | Manufacturing process of anticorrosive steel pipe |
| CN115890153B (en) * | 2022-12-02 | 2024-02-06 | 山东金诚联创管业股份有限公司 | Manufacturing process of anti-corrosion steel pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103409758B (en) | Pump shells and blade microcrack laser reinforcing life-prolonging method | |
| US20150096962A1 (en) | Aluminum Alloy to Steel Welding Process | |
| CN104722890B (en) | The welding method of T91/T92 and HR3C dissimilar steel | |
| CN103710519B (en) | Induction heating partial heat treatment method applied to metal welding piece | |
| CN104690404B (en) | The welding method of T22 and TP347H dissimilar steel | |
| RU2015148145A (en) | SPOT WELDING METHOD | |
| CN102601501A (en) | Magnetic control TIG (Tungsten Inert Gas) welding process for narrow gap of thick plate titanium alloy | |
| CN104789921A (en) | Process for spraying composite coating on metal surface | |
| CN103737158A (en) | Thermal input control based electric arc welding gun with double consumable electrodes and welding method thereof | |
| CN108994465A (en) | A kind of plasma-arc hybrid welding method of pulse current modulation | |
| CN109352198A (en) | A kind of welding method of pipe die | |
| CN103962739A (en) | Method for welding grey cast iron cracks | |
| CN102441721A (en) | Process for overlaying copper layer on high-strength steel | |
| CN105458536A (en) | Welding technique for steel structure box column | |
| CN107931799A (en) | Pipe die welding procedure | |
| CN104889543A (en) | Non-consumable electrode welding method with gas-electricity pulse combined effect | |
| CN105983766A (en) | Low-carbon steel and alloy steel welding method | |
| CN109664039A (en) | Q890 steel plate welds dehydrogenation and weld preheating method of adjustment | |
| CN203282017U (en) | Single-gun double-wire vertical electrogas welding device | |
| CN102513661B (en) | CO2 (carbon dioxide) gas shielded welding method for flux-cored wires of marine engineering lifting pile leg | |
| CN108015424A (en) | A kind of compound reproducing method of laser-electric arc that cylinder ironcasting is held for TRT | |
| CN108637437A (en) | A method of reducing the softening of working hardening aluminium alloy arc-welded joint | |
| CN104439637B (en) | A kind of blade of stirrer CO2welding procedure | |
| CN104674152A (en) | Numerically controlled lathe thermal spraying automatic equipment | |
| RU2625145C1 (en) | Method of electrolytetic-plasma welding of aluminium and its alloys |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190219 |